{"product_id":"giant-mammoth-russian-grey-stripe-sunflower-seeds-helianthus-annuus-huge-10-flower-heads","title":"Giant Mammoth Russian “Grey Stripe” Sunflower Seeds (Helianthus annuus) Huge 10” Flower Heads","description":"\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"c5551a2e-1884-4f5a-94ab-800c222ffa92\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"187\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"0\" data-end=\"75\"\u003eGiant Mammoth Russian “Grey Stripe” Sunflower Seeds (Helianthus annuus)\u003c\/strong\u003e\u003c\/span\u003e\u003cbr data-start=\"75\" data-end=\"78\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"78\" data-end=\"185\"\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"187\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe \u003cstrong\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eHelianthus annuus\u003c\/span\u003e\u003c\/span\u003e ‘Mammoth Grey Stripe’\u003c\/strong\u003e is a classic \u003cstrong\u003eheirloom giant sunflower\u003c\/strong\u003e variety famous for its enormous flower heads, towering height, and large edible striped seeds. This fast-growing annual makes a dramatic statement in gardens, meadows, wildlife plantings, and children’s gardens with blooms that can reach up to 10 inches across atop impressive stalks growing 8–12 feet tall.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"600\" data-end=\"941\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMassive golden-yellow flowers with dark centers attract bees, butterflies, hummingbirds, and other pollinators throughout the summer season. As the flower heads mature, they produce abundant large grey-striped sunflower seeds that are excellent for roasting, snacking, wildlife feeding, or leaving on the stalks for birds to enjoy naturally.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"943\" data-end=\"1187\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThis open-pollinated heirloom sunflower is easy to grow and thrives in full sun locations with loose, well-draining soil. Due to its height, planting near fences, walls, or sheltered locations is recommended to protect plants from strong winds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1189\" data-end=\"1376\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMammoth Grey Stripe Sunflowers are widely loved for their impressive size, rapid growth, pollinator value, edible seeds, and cheerful appearance in both ornamental and productive gardens.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1378\" data-end=\"1409\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e🌱 Growing \u0026amp; Care Information\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1411\" data-end=\"1605\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eLight: Full sun\u003c\/span\u003e\u003cbr data-start=\"1426\" data-end=\"1429\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSoil: Loose, well-draining soil\u003c\/span\u003e\u003cbr data-start=\"1460\" data-end=\"1463\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWater: Moderate moisture during active growth\u003c\/span\u003e\u003cbr data-start=\"1508\" data-end=\"1511\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGrowth: Fast-growing annual giant sunflower\u003c\/span\u003e\u003cbr data-start=\"1554\" data-end=\"1557\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eClimate: Adaptable to a wide range of climates\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1607\" data-end=\"1746\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDirect sowing outdoors after danger of frost has passed is recommended, as sunflowers develop long taproots that prefer undisturbed growth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1748\" data-end=\"1791\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e🌿 Why Grow Mammoth Grey Stripe Sunflowers?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1793\" data-end=\"2142\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Huge 10-inch golden flower heads\u003c\/span\u003e\u003cbr data-start=\"1827\" data-end=\"1830\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Towering 8–12 foot tall plants\u003c\/span\u003e\u003cbr data-start=\"1862\" data-end=\"1865\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Produces large edible striped sunflower seeds\u003c\/span\u003e\u003cbr data-start=\"1912\" data-end=\"1915\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Excellent pollinator and bird-friendly plant\u003c\/span\u003e\u003cbr data-start=\"1961\" data-end=\"1964\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Easy fast-growing heirloom variety\u003c\/span\u003e\u003cbr data-start=\"2000\" data-end=\"2003\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Great natural privacy screen or backdrop\u003c\/span\u003e\u003cbr data-start=\"2045\" data-end=\"2048\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Perfect for children’s gardens and meadows\u003c\/span\u003e\u003cbr data-start=\"2092\" data-end=\"2095\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Beautiful ornamental and wildlife sunflower\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2144\" data-end=\"2174\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong data-start=\"2144\" data-end=\"2174\" data-is-last-node=\"\"\u003eUSDA Hardiness Zones: 2–11\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 16pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0);\"\u003eMammoth Sunflower Germination:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cb\u003e\u003cspan style=\"font-family: Arial, sans-serif;\"\u003e1) \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-family: Arial, sans-serif;\"\u003eSoak seeds in water for 6 hours.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cb\u003e\u003cspan style=\"font-family: Arial, sans-serif;\"\u003e2)\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-family: Arial, sans-serif;\"\u003e Place seeds inside of a wet paper towel, and place inside of a zip lock bag.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cb\u003e\u003cspan style=\"font-family: Arial, sans-serif;\"\u003e3)\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-family: Arial, sans-serif;\"\u003e Place the zip lock bag on top of a heated propagator mat to keep the temperature between 75-80 degrees F at all times.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cb\u003e\u003cspan style=\"font-family: Arial, sans-serif;\"\u003e4)\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-family: Arial, sans-serif;\"\u003e Expect germination between 7-10 days, with some germinating much earlier.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 16pt; font-family: Arial, sans-serif; color: rgb(0, 0, 0);\"\u003e\"Please Contact us First if You Need Anything\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 16pt; line-height: 115%; color: rgb(0, 0, 0);\"\u003eGerminación del girasol gigante (Mammoth):\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1) Remoje las semillas en agua durante 6 horas.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e2) Coloque las semillas dentro de una toalla de papel húmeda e introdúzcalas en una bolsa con cierre hermético (tipo Ziploc).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e3) Coloque la bolsa sobre una manta térmica de propagación para mantener la temperatura entre 75 y 80 grados Fahrenheit en todo momento.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e4) Espere la germinación entre 7 y 10 días, aunque algunas germinarán mucho antes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 16pt; line-height: 115%; color: rgb(0, 0, 0);\"\u003e\"Por favor, contáctenos primero si necesita algo.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Seed Head Exotics","offers":[{"title":"10 SEEDS","offer_id":54135669981468,"sku":null,"price":8.95,"currency_code":"USD","in_stock":true},{"title":"20 SEEDS","offer_id":54135670014236,"sku":null,"price":10.95,"currency_code":"USD","in_stock":true},{"title":"40 SEEDS","offer_id":54135670047004,"sku":null,"price":12.95,"currency_code":"USD","in_stock":true},{"title":"60 SEEDS","offer_id":54135670079772,"sku":null,"price":14.95,"currency_code":"USD","in_stock":true},{"title":"80 SEEDS","offer_id":54135670112540,"sku":null,"price":16.95,"currency_code":"USD","in_stock":true},{"title":"100 SEEDS","offer_id":54135670145308,"sku":null,"price":18.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0924\/9931\/2924\/files\/sf1.webp?v=1779373124","url":"https:\/\/www.seedheadexotics.com\/products\/giant-mammoth-russian-grey-stripe-sunflower-seeds-helianthus-annuus-huge-10-flower-heads","provider":"Seed Head Exotics","version":"1.0","type":"link"}